--susanwachter, whoker-- what yoususn served as the assistant secretary for policy development and research at hud. ingrid gould ellen is a professor and co-director of the center for urban policy. she has written extensively on housing policy and urban growth issues. the legendary marc morial is president of the urban league and a national champion for sustainable housing programs. barbara desoer runs bank of america's mortgage business. that is a major player in the mortgage finance system of the united states. it overseas accounts for about 20% of the mortgage origination market in the united states. we will close with bill gross, who runs pimco,. we're going to begin -- i will ask each of the panelists to speak for just two minutes on the stark, simple question. what would you change and what would you preserve? to keep it to two minutes and what you're for and against, you do not need to say you are in favor of a more stable housing finance system. [laughter] you do not need to say that our system was broken or explain precisely how it was broken. just say what you are for